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6: Cranial Nerve VII and Muscles of Facial Expression
Cranial Nerve V and Muscles of Mastication
Introduction
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Overview
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Identification
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Summary
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Clinical Case Study
Surface Anatomy
external jugular vein
thyroid cartilage of the larynx
sternocleidomastoid
angle of the mandible
masseter
(clench your teeth)
temporalis
(clench your teeth)
muscles of expression
(try various "faces" in a mirror and see if you can pick out these muscles)
anterior border of the mandible
zygomatic arch
parotid duct
(feel a finger's breadth below the zygomatic arch with your teeth clenched)
facial artery
(push on the inferior, posterior part of the mandibular body)
opening of the parotid duct
(inside the mouth lateral to the 2nd upper molar in the cheek wall)